The 49ers are where the Raiders were three years ago – drastically undermanned, in the midst of unrelenting losing, and with Fort Knox-like money under the salary cap. Obviously, the 10-2 Raiders have made the right moves in hiring coach Jack Del Rio, drafting players like Derek Carr and Amari Cooper, and acquiring players like …

After injuring his right knee Friday, 49ers running back Kendall Hunter eventually walked off the practice field without a noticeable limp. The less encouraging sign: Just before he reached the locker room, Hunter punched the air with his right fist in frustration, suggesting his injury could be serious. …

Hunter, 25, entering his fourth NFL season, was injured during seven-on-seven drills after he caught a swing pass from Blaine Gabbert. Hunter’s right knee appeared to buckle when he planted as cornerback Perrish Cox approached him. …

As it turns out, Justin Smith’s upper body hasn’t been feeling too good for much of the past 19 months. The 49ers defensive tackle revealed today that he spent the 2013 season playing with a shoulder injury he sustained in training camp. Smith didn’t offer specifics, but acknowledged he knew the injury would require offseason surgery. …

Kaepernick was more expansive when asked about tight end Vernon Davis, who reported today after skipping the offseason program because of dissatisfaction with his contract. Kaepernick said he wasn’t surprised Davis reappeared with the regular season now looming. …

Now, the 49ers hope recent history will repeat itself after selecting Northern Illinois’ Jimmie Ward in the first round in May. Ward is expected to serve as a backup safety, but the 49ers mostly want him to replace Carlos Rogers as the nickel cornerback. …

Since January 2013, 49ers cornerback Chris Culliver has A) caused a national stir by making anti-gay comments; B) had a career-worst performance in a Super Bowl loss; C) sustained a torn ACL and D) been arrested on misdemeanor hit-and-run charges and felony possession of brass knuckles. …